The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 28, 1987
Filed:
Feb. 22, 1984
Applicant:
Inventors:
Nobuyuki Matsuoka, Kagoshima, JP;
Yo Takasaki, Kagoshima, JP;
Sadao Minamitsu, Kagoshima, JP;
Katsumi Motoyama, Kagoshima, JP;
Assignee:
Nec Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ; H01J / ; H01J / ; H01K / ;
U.S. Cl.
CPC ...
313496 ; 313497 ; 313513 ; 313112 ;
Abstract
In a fluorescent display tube of the back luminescence type, a transparent colored film is formed on a transparent substrate. A mesh shaped anode segments are formed on the transparent colored film, and a fluorescent layer is formed to cover the anode segments.